| Place Name | Oreana |
| Place Type | Village |
| ZIP Code(s) | 62554 |
| County | Macon County |
| Area Code(s) | 217 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 1,080 |
| Population Growth Rate (2010-19) | 1.83% |
| Majority Ethnicity | White 86.62% |
| Metro/Micro Stats Area | Decatur, IL |
| US Congressional District(s) | Illinois 13th |
| State House Districts | 101 |
| State Senate Districts | 51 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 86.62% |
| African American | 3.07% |
| Hispanic | 0% |
| Asian | 8.27% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.04% |